2 * netifd - network interface daemon
3 * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2
7 * as published by the Free Software Foundation
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 #ifndef __NETIFD_DEVICE_H
15 #define __NETIFD_DEVICE_H
17 #include <libubox/avl.h>
18 #include <libubox/safe_list.h>
19 #include <libubox/kvlist.h>
20 #include <netinet/in.h>
25 struct device_hotplug_ops
;
29 typedef int (*device_state_cb
)(struct device
*, bool up
);
44 DEV_ATTR_NEIGHREACHABLETIME
,
45 DEV_ATTR_DADTRANSMITS
,
46 DEV_ATTR_MULTICAST_TO_UNICAST
,
47 DEV_ATTR_MULTICAST_ROUTER
,
48 DEV_ATTR_MULTICAST_FAST_LEAVE
,
51 DEV_ATTR_UNICAST_FLOOD
,
52 DEV_ATTR_NEIGHGCSTALETIME
,
53 DEV_ATTR_SENDREDIRECTS
,
54 DEV_ATTR_NEIGHLOCKTIME
,
56 DEV_ATTR_IP6SEGMENTROUTING
,
60 enum dev_change_type
{
68 struct list_head list
;
71 bool bridge_capability
;
72 const char *name_prefix
;
74 const struct uci_blob_param_list
*config_params
;
76 struct device
*(*create
)(const char *name
, struct device_type
*devtype
,
77 struct blob_attr
*attr
);
78 void (*config_init
)(struct device
*);
79 enum dev_change_type (*reload
)(struct device
*, struct blob_attr
*);
80 void (*dump_info
)(struct device
*, struct blob_buf
*buf
);
81 void (*dump_stats
)(struct device
*, struct blob_buf
*buf
);
82 int (*check_state
)(struct device
*);
83 void (*free
)(struct device
*);
87 DEV_OPT_MTU
= (1 << 0),
88 DEV_OPT_MACADDR
= (1 << 1),
89 DEV_OPT_TXQUEUELEN
= (1 << 2),
90 DEV_OPT_IPV6
= (1 << 3),
91 DEV_OPT_PROMISC
= (1 << 4),
92 DEV_OPT_RPFILTER
= (1 << 5),
93 DEV_OPT_ACCEPTLOCAL
= (1 << 6),
94 DEV_OPT_IGMPVERSION
= (1 << 7),
95 DEV_OPT_MLDVERSION
= (1 << 8),
96 DEV_OPT_NEIGHREACHABLETIME
= (1 << 9),
97 DEV_OPT_DEFAULT_MACADDR
= (1 << 10),
99 DEV_OPT_MTU6
= (1 << 12),
100 DEV_OPT_DADTRANSMITS
= (1 << 13),
101 DEV_OPT_MULTICAST_TO_UNICAST
= (1 << 14),
102 DEV_OPT_MULTICAST_ROUTER
= (1 << 15),
103 DEV_OPT_MULTICAST
= (1 << 16),
104 DEV_OPT_LEARNING
= (1 << 17),
105 DEV_OPT_UNICAST_FLOOD
= (1 << 18),
106 DEV_OPT_NEIGHGCSTALETIME
= (1 << 19),
107 DEV_OPT_MULTICAST_FAST_LEAVE
= (1 << 20),
108 DEV_OPT_SENDREDIRECTS
= (1 << 21),
109 DEV_OPT_NEIGHLOCKTIME
= (1 << 22),
110 DEV_OPT_ISOLATE
= (1 << 23),
111 DEV_OPT_IP6SEGMENTROUTING
= (1 << 24),
114 /* events broadcasted to all users of a device */
119 DEV_EVENT_UPDATE_IFNAME
,
120 DEV_EVENT_UPDATE_IFINDEX
,
130 /* Topology changed (i.e. bridge member added) */
131 DEV_EVENT_TOPO_CHANGE
,
137 * device dependency with callbacks
140 struct safe_list list
;
146 uint8_t ev_idx
[__DEV_EVENT_MAX
];
149 void (*cb
)(struct device_user
*, enum device_event
);
152 struct device_settings
{
154 unsigned int valid_flags
;
157 unsigned int txqueuelen
;
161 unsigned int rpfilter
;
163 unsigned int igmpversion
;
164 unsigned int mldversion
;
165 unsigned int neigh4reachabletime
;
166 unsigned int neigh6reachabletime
;
167 unsigned int neigh4gcstaletime
;
168 unsigned int neigh6gcstaletime
;
170 unsigned int dadtransmits
;
171 bool multicast_to_unicast
;
172 unsigned int multicast_router
;
173 bool multicast_fast_leave
;
178 bool ip6segmentrouting
;
183 * link layer device. typically represents a linux network device.
184 * can be used to support VLANs as well
187 struct device_type
*type
;
190 struct safe_list users
;
191 struct safe_list aliases
;
193 struct vlist_tree vlans
;
194 struct kvlist vlan_aliases
;
196 char ifname
[IFNAMSIZ
+ 1];
199 struct blob_attr
*config
;
206 /* DEV_EVENT_LINK_UP */
219 bool wireless_isolate
;
221 struct interface
*config_iface
;
223 /* set interface up or down */
224 device_state_cb set_state
;
226 const struct device_hotplug_ops
*hotplug_ops
;
228 struct device_user parent
;
230 struct device_settings orig_settings
;
231 struct device_settings settings
;
234 struct device_hotplug_ops
{
235 int (*prepare
)(struct device
*dev
, struct device
**bridge_dev
);
236 int (*add
)(struct device
*main
, struct device
*member
, struct blob_attr
*vlan
);
237 int (*del
)(struct device
*main
, struct device
*member
);
240 enum bridge_vlan_flags
{
241 BRVLAN_F_SELF
= (1 << 0),
242 BRVLAN_F_PVID
= (1 << 1),
243 BRVLAN_F_UNTAGGED
= (1 << 2),
246 struct bridge_vlan_port
{
252 struct vlist_node node
;
254 struct bridge_vlan_port
*ports
;
257 struct list_head hotplug_ports
;
263 extern const struct uci_blob_param_list device_attr_list
;
264 extern struct device_type simple_device_type
;
265 extern struct device_type tunnel_device_type
;
267 void device_lock(void);
268 void device_unlock(void);
270 void device_vlan_update(bool done
);
272 int device_type_add(struct device_type
*devtype
);
273 struct device_type
*device_type_get(const char *tname
);
274 struct device
*device_create(const char *name
, struct device_type
*type
,
275 struct blob_attr
*config
);
276 void device_merge_settings(struct device
*dev
, struct device_settings
*n
);
277 void device_init_settings(struct device
*dev
, struct blob_attr
**tb
);
278 void device_init_pending(void);
281 device_apply_config(struct device
*dev
, struct device_type
*type
,
282 struct blob_attr
*config
);
284 void device_reset_config(void);
285 void device_reset_old(void);
287 int device_init_virtual(struct device
*dev
, struct device_type
*type
, const char *name
);
288 int device_init(struct device
*dev
, struct device_type
*type
, const char *ifname
);
289 void device_cleanup(struct device
*dev
);
290 struct device
*device_find(const char *name
);
291 struct device
*device_get(const char *name
, int create
);
292 void device_add_user(struct device_user
*dep
, struct device
*dev
);
293 void device_remove_user(struct device_user
*dep
);
294 void device_broadcast_event(struct device
*dev
, enum device_event ev
);
296 void device_set_present(struct device
*dev
, bool state
);
297 void device_set_link(struct device
*dev
, bool state
);
298 void device_set_ifindex(struct device
*dev
, int ifindex
);
299 int device_set_ifname(struct device
*dev
, const char *name
);
300 void device_refresh_present(struct device
*dev
);
301 int device_claim(struct device_user
*dep
);
302 void device_release(struct device_user
*dep
);
303 int device_check_state(struct device
*dev
);
304 void device_dump_status(struct blob_buf
*b
, struct device
*dev
);
306 void device_free_unused(struct device
*dev
);
308 struct device
*get_vlan_device_chain(const char *ifname
, bool create
);
309 void alias_notify_device(const char *name
, struct device
*dev
);
310 struct device
*device_alias_get(const char *name
);
313 device_set_deferred(struct device
*dev
, bool value
)
315 dev
->deferred
= value
;
316 device_refresh_present(dev
);
320 device_set_disabled(struct device
*dev
, bool value
)
322 dev
->disabled
= value
;
323 device_refresh_present(dev
);
326 bool device_check_ip6segmentrouting(void);